GPU Comparison
RADEON
AMD Radeon RX 6600S
CORE STATE
Navi 23
VRAM
4 GB
CLOCK SPEED
2000 MHz
TDP
80 W
BUS WIDTH
128 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2022
VS
GPU
Arc A770M
CORE STATE
DG2-512
VRAM
16 GB
CLOCK SPEED
2050 MHz
TDP
120 W
BUS WIDTH
256 bit
ARCHITECTURE
Xe-HPG
PROCESS
6 nm
LAUNCH DATE
—
PERFORMANCE BENCHMARKS
geekbench_opencl
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
3dmark_3dmark_steel_nomad_dx12
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
RX 6600S
A770M
Core Specs
Shading Units
1,792
4,096
+128.6%
Shaders
1,792
4,096
+128.6%
TMUs
112
256
+128.6%
ROPs
64
128
+100.0%
Compute Units
28
—
Execution Units
—
512
Clocks
Base Clock
1700 MHz
1650 MHz
Boost Clock
2000 MHz
2050 MHz
Game Clock
1881 MHz
—
Memory Clock
1750 MHz
14 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
4 GB
16 GB
VRAM (MB)
4,096
16,384
+300.0%
Memory Type
GDDR6
GDDR6
Memory Bus
128 bit
256 bit
Bandwidth
224.0 GB/s
512.0 GB/s
Cache
L1 Cache
128 KB per Array
—
L2 Cache
2 MB
16 MB
L3 Cache
32 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
128.0 GPixel/s
262.4 GPixel/s
Texture Rate
224.0 GTexel/s
524.8 GTexel/s
FP32 (TFLOPS)
7.168 TFLOPS
16.79 TFLOPS
FP64 (TFLOPS)
448.0 GFLOPS (1:16)
—
FP16 (TFLOPS)
14.34 TFLOPS (2:1)
33.59 TFLOPS (2:1)
AI/RT
RT Cores
28
32
+14.3%
XMX Cores
—
512
Power
TDP
80 W
120 W
TDP (W)
80
120
+50.0%
Power Connectors
None
—
Architecture
Architecture
RDNA 2.0
Xe-HPG
GPU Name
Navi 23
DG2-512
Generation
Navi Mobile
(RX 6000M)
Alchemist
(Arc 7 Mobile)
Process Size
7 nm
6 nm
Transistors
11,060 million
21,700 million
Die Size
237 mm²
406 mm²
Foundry
TSMC
TSMC
Density
46.7M / mm²
53.4M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
2.1
3.0
Shader Model
6.8
6.6
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Polaris Mobile
—